Verified Solution • 2025–26 Session moderate

QJEEM20Ch035e: JEE Main 2020 Chemistry - Class 12 JEEM20Ch035e Solution: A mixture of gases O 2 , H 2 and CO are taken in a closed…

A mixture of gases O2, H2 and CO are taken in a closed vessel containing charcoal. The graph that represents the correct behaviour of pressure with time is :

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/49abb77ac5509409a2ec4781291b64acaf6210b27c4d8892a902ceb544171bdc.webp
  • B https://ik.imagekit.io/novatra/photos/b43e9c8537d9f8f8a1e1c10bbab56157dd632af0258ae5c5c01f74b1f4fead6e.webp
  • C https://ik.imagekit.io/novatra/photos/91c6d4c7f9ebc4ea618ad0052576cb54f1b0e71b4ba86cf2373d0e0bdb841dd2.webp
  • D https://ik.imagekit.io/novatra/photos/64b348357b0ec54fad4db286be4a26760ae21a57be77d461230b101a1d723b69.webp

Step-by-Step Verified Solution

Initially H2 combines with O2, therefore rapid fall in pressure will be observed. Then gradually adsorption of CO will occur by activated charcoal.

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